array(4) { ["type"]=> int(1) ["message"]=> string(32) "Class 'DrupalTestCase' not found" ["file"]=> string(91) "/var/aegir/platforms/mysite.com/sites/all/modules/contrib/livecoverage/livecoverage.test" ["line"]=> int(6) } n/a

must upgrade to dev 2 version of simpletest.

Posted here as FYI